Unverified76% confidenceCautionTime unknown
不要购买不支持独立SD卡扩展海图存储的低端机型，内置存储通常仅够单区域海图，跨区域航行时无法离线加载新海图会导致关键时刻无图可用
1
Sources
76%
Confidence
Medium-term (~90 days)
Relevance
-
First Seen
Sources
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Unverified云存储越清晰保存时长越长费用越高，本地SD卡一次性投入但断电断网即失效且易被盗走取卡；建议重要看护场景采用云+本地双备份而非二选一74% similarUnverified存储方式优先本地SD卡+可选云存储组合：本地卡断网仍可录，云存储防设备被盗后录像丢失；只依赖云存储需长期付费订阅，只用本地卡则设备被盗后录像也一并丢失72% similarUnverified云存储与本地SD卡存储是互补而非替代：SD卡应对断网/防拆盗录，云存储应对设备被盗后本地录像随之丢失，重要场所建议双保险72% similarUnverified存储优先选本地SD卡+可选云端的双模式：本地卡免月费但SD卡损坏或被盗则录像丢失，重要监控建议本地+云端双备份71% similarUnverified内置存储越大越贵且不可更换，选带SD/microSD卡槽或USB-A口的设备可用外接卡扩展，摄影用户优先卡槽机型而非高固定容量机型71% similar
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